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notanpe |
252 |
/*********************************************************************** |
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* |
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* file: key.c |
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* |
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* $Id: key.c 241 2010-03-15 14:28:18Z chapuni $ |
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* |
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*/ |
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notanpe |
263 |
#include <stdio.h> |
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notanpe |
252 |
#include <assert.h> |
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#include <stdlib.h> |
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notanpe |
263 |
#ifdef KEYLOG |
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#include <time.h> |
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#include <windows.h> |
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#endif /* KEYLOG */ |
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notanpe |
252 |
#include "cp932.h" |
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#include "desconst.h" |
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#include "key.h" |
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#include "translate.h" |
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notanpe |
263 |
#include "makai.h" |
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#include "util.h" |
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notanpe |
252 |
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#if USE_DT |
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#include "dt4.h" |
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#endif |
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/* 拡張鍵クラス */ |
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#define KCLS_DT0 64 |
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#define KCLS_DT1 128 |
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#define KCLS_K2 256 |
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#if USE_DT |
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/* 鍵キメ用辞書インデクス */ |
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struct DT *kd[8 + 8]; |
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/* 辞書インデクス */ |
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struct DT *dtidx[0x100 + 1]; |
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#endif |
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notanpe |
263 |
#ifdef KEYLOG |
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#define KEY_LOG_FILE "keylog.txt" |
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int keyLog = MAKAI_FALSE; |
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static HANDLE mutexKeylog; |
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#endif /* KEYLOG */ |
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notanpe |
252 |
/* 指定されたクラスと入っているキーから、classify を行う */ |
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void |
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key_make_map(struct KS_KEY *key, int n) |
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{ |
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int i, j; |
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unsigned c = key->map[n][key->key[n]]; |
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#if USE_DT |
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if (3 <= n && n < 7 && kd[n - 3]) |
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{ |
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/* 辞書のケツの文字。後ろにナニヤラキャラクタが来る */ |
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c = kd[n - 3]->c[0]; |
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if ((0x81 <= c && c <= 0x9F) |
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|| (0xE0 <= c && c <= 0xFC)) |
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c = KCLS_K2; |
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else |
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c = (cp932[256 * key->key[n]] |
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| cp932[256 * (key->key[n] ^ 0x80)]); |
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#if DEBUG>=1 |
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printf("*n=%d, key=%02X, cls=%04X\n", |
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n, |
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key[n], |
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c); |
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#endif |
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} |
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else if (2 <= n && n < 6 && kd[n - 2]) |
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{ |
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return; |
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} |
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else if (1 <= n && n < 5 && kd[n - 1]) |
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{ |
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return; |
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} |
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#if USE_DT |
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else if (1 <= n && n < 5 && !kd[n - 1] |
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//&& (c & KCLS_K2) |
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&& (c & KCLS_DT1)) |
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{ |
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/* 漢字2文字を拾っていきまつ */ |
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#if DEBUG>=1 |
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printf("(%d)%02X %02X(%02X:%02X:%02X:%02X)\n", |
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n, key->key[n - 1], key->key[n], |
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cp932[(256 * key->key[n - 1] + key->key[n])], |
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cp932[(256 * key->key[n - 1] + key->key[n]) ^ 0x0080], |
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cp932[(256 * key->key[n - 1] + key->key[n]) ^ 0x8000], |
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cp932[(256 * key->key[n - 1] + key->key[n]) ^ 0x8080]); |
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#endif |
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if (n != 1 && n != 2 |
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&& (cp932[(256 * key->key[n - 1] + key->key[n]) ^ 0x0080] & KCLS_DT1)) |
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key->key[n] ^= 0x80; |
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else if (n != 2 && n != 3 |
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&& (cp932[(256 * key->key[n - 1] + key->key[n]) ^ 0x8000] & KCLS_DT1)) |
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key->key[n - 1] ^= 0x80; |
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else if (n > 3 && (cp932[(256 * key->key[n - 1] + key->key[n]) ^ 0x8080] & KCLS_DT1)) |
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key->key[n - 1] ^= 0x80, key->key[n] ^= 0x80; |
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if (cp932[256 * key->key[n - 1] + key->key[n]] & KCLS_DT1) |
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{ |
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for (kd[n - 1] = dtidx[key->key[n - 1]]; |
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kd[n - 1]->c[1] != key->key[n]; |
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kd[n - 1]++) |
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assert(kd[n - 1]->c[0] == key->key[n - 1]); |
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#if DEBUG>=1 |
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printf("(%02X%02X:%02X%02X)%c%c%c%c\n", |
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kd[n - 1]->c[0], |
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kd[n - 1]->c[1], |
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kd[n - 1]->c[2], |
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kd[n - 1]->c[3], |
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kd[n - 1]->c[0], |
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kd[n - 1]->c[1], |
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kd[n - 1]->c[2], |
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kd[n - 1]->c[3]); |
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#endif |
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return; |
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} |
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} |
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else if (n < 4 && (c & KCLS_DT0) && kd[n] == NULL) |
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{ |
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/* カタカナ埋め込みいきます */ |
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assert(kd[n] == NULL); |
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#if DEBUG>=1 |
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printf("n=%d, key=%02X\n", n, key->key[n]); |
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#endif |
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kd[n] = dtidx[key->key[n]]; |
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if (!kd[n] |
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&& !(n == 1 || n == 2) |
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&& dtidx[key->key[n] ^ 0x80]) |
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{ |
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key->key[n] ^= 0x80; |
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kd[n] = dtidx[key->key[n]]; |
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} |
| 138 |
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if (kd[n]) |
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return; |
| 140 |
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} |
| 141 |
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#endif |
| 142 |
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else |
| 143 |
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{ |
| 144 |
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kd[n] = NULL; |
| 145 |
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} |
| 146 |
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#endif |
| 147 |
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| 148 |
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/* 最後の部分は class map を生成する必要ナシ */ |
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if (n >= 6) |
| 150 |
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return; |
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| 152 |
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for (i = 0; i < 256; i++) |
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{ |
| 154 |
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unsigned bm = 0; |
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#if 1 |
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if (c & KCLS_K1) |
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{ |
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if (cp932[256 * key->key[n] + i] & KCLS_K1) |
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bm |= KCLS_K2 | (cp932[256 * key->key[n] + i] & KCLS_DT1); |
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if (cp932[256 * (key->key[n] ^ 0x80) + i] & KCLS_K1) |
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bm |= KCLS_K2 | (cp932[256 * (key->key[n] ^ 0x80) + i] & KCLS_DT1); |
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#if 0 |
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bm |= ((cp932[256 * key->key[n] + i] & KCLS_K1) |
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|| (cp932[256 * (key->key[n] ^ 0x80) + i] & KCLS_K1) |
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? KCLS_K2 : 0); |
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#endif |
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} |
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if (c & (KCLS_AN | KCLS_KA | KCLS_K2)) |
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for (j = 0; j < 256; j++) |
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{ |
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bm |= cp932[256 * i + j] & (KCLS_AN | KCLS_KA | KCLS_K1 |
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| KCLS_DT0); |
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#if 0 |
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if (j >= 127 && !(n == 0 || n == 1)) |
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break; |
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#endif |
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} |
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key->map[n + 1][i] = bm; |
| 179 |
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#endif |
| 180 |
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if (i >= 128 && !(n == 0 || n == 1)) |
| 181 |
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key->map[n + 1][i - 128] |= key->map[n + 1][i]; |
| 182 |
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} |
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| 184 |
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if (n < 6) |
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key->map[n + 1][0x00] = key->map[n + 1][0x80] = 0; |
| 186 |
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if (n == 6) |
| 187 |
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key->map[7][0x00] |= KCLS_AN; |
| 188 |
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} |
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| 190 |
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#if USE_DT |
| 191 |
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unsigned |
| 192 |
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dt_get(int kdn, |
| 193 |
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int xn, |
| 194 |
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int n, |
| 195 |
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int ch) |
| 196 |
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{ |
| 197 |
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int i; |
| 198 |
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#if DEBUG>=1 |
| 199 |
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printf("*dt_get(%d)%c%c%c%c(%02X%02X:%02X%02X)->ch=%d", |
| 200 |
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n, |
| 201 |
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kd[kdn]->c[0], kd[kdn]->c[1], kd[kdn]->c[2], kd[kdn]->c[3], |
| 202 |
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kd[kdn]->c[0], kd[kdn]->c[1], kd[kdn]->c[2], kd[kdn]->c[3], |
| 203 |
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ch); |
| 204 |
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#endif |
| 205 |
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/* まずは数える */ |
| 206 |
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for (i = 0; |
| 207 |
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kd[kdn][i].c[xn] == kd[kdn]->c[xn]; |
| 208 |
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i++) |
| 209 |
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; |
| 210 |
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assert(i > 0); |
| 211 |
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kd[kdn] += ch % i; |
| 212 |
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#if DEBUG>=1 |
| 213 |
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printf("/%d\n dt_get: %c%c%c%c(%02X%02X:%02X%02X)->ch=%d\n", |
| 214 |
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i, |
| 215 |
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kd[kdn]->c[0], kd[kdn]->c[1], kd[kdn]->c[2], kd[kdn]->c[3], |
| 216 |
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kd[kdn]->c[0], kd[kdn]->c[1], kd[kdn]->c[2], kd[kdn]->c[3], |
| 217 |
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ch); |
| 218 |
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#endif |
| 219 |
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return kd[kdn]->c[n]; |
| 220 |
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} |
| 221 |
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#endif |
| 222 |
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| 223 |
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/* マップから文字を拾ってセット */ |
| 224 |
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unsigned |
| 225 |
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key_set(struct KS_KEY *key, int n, unsigned ch) |
| 226 |
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{ |
| 227 |
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int cnt = 0, i; |
| 228 |
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| 229 |
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#if USE_DT |
| 230 |
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if (3 <= n && n < 7 && kd[n - 3]) |
| 231 |
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{ |
| 232 |
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return dt_get(n - 3, 2, 3, ch); |
| 233 |
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return kd[n - 3]->c[3]; |
| 234 |
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} |
| 235 |
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else if (2 <= n && n < 6 && kd[n - 2]) |
| 236 |
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{ |
| 237 |
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return dt_get(n - 2, 1, 2, ch); |
| 238 |
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return kd[n - 2]->c[2]; |
| 239 |
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} |
| 240 |
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else if (1 <= n && n < 5 && kd[n - 1]) |
| 241 |
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{ |
| 242 |
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return dt_get(n - 1, 0, 1, ch); |
| 243 |
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return kd[n - 1]->c[1]; |
| 244 |
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} |
| 245 |
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#endif |
| 246 |
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| 247 |
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#if DEBUG>=3 |
| 248 |
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if (cnt == 0) |
| 249 |
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{ |
| 250 |
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printf("n=%d, ch=%d, (n-1)=%02X\n", n, ch, key[n - 1]); |
| 251 |
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int j; |
| 252 |
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for (i = 0; i < 16; i++) |
| 253 |
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{ |
| 254 |
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printf("map[0x%02X] =", 16 * i); |
| 255 |
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for (j = 0; j < 16; j++) |
| 256 |
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printf(" %03X", kcls[n].map[16 * i + j]); |
| 257 |
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printf("\n"); |
| 258 |
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} |
| 259 |
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} |
| 260 |
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#endif |
| 261 |
|
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for (i = 0; i < 256; i++) |
| 262 |
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{ |
| 263 |
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#if 1 |
| 264 |
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/* 鳥屋っぽーい */ |
| 265 |
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if (1 <= n && n <= 2 && '.' < i && i <= 'z') |
| 266 |
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continue; |
| 267 |
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#endif |
| 268 |
|
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if (key->map[n][i]) |
| 269 |
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{ |
| 270 |
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if (ch-- == 0) |
| 271 |
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return i; |
| 272 |
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cnt++; |
| 273 |
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} |
| 274 |
|
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if (n != 1 && n != 2 && i >= 127) |
| 275 |
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break; |
| 276 |
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} |
| 277 |
|
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/* 見つからなかったのでもいっぺん */ |
| 278 |
|
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assert(cnt > 0); |
| 279 |
|
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ch %= cnt; |
| 280 |
|
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for (i = 0; i < 256; i++) |
| 281 |
|
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if (key->map[n][i]) |
| 282 |
|
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{ |
| 283 |
|
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#if 1 |
| 284 |
|
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/* 鳥屋っぽーい */ |
| 285 |
|
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if (1 <= n && n <= 2 && '.' < i && i <= 'z') |
| 286 |
|
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continue; |
| 287 |
|
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#endif |
| 288 |
|
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if (ch-- == 0) |
| 289 |
|
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return i; |
| 290 |
|
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} |
| 291 |
|
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assert(!"not matched"); |
| 292 |
|
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return 0; |
| 293 |
|
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} |
| 294 |
|
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|
| 295 |
|
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/* bitwise key をセット */ |
| 296 |
|
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void |
| 297 |
|
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key_set64(struct KEY *key64, |
| 298 |
|
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int n, |
| 299 |
|
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unsigned k, |
| 300 |
|
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unsigned vk, |
| 301 |
|
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unsigned sk) |
| 302 |
|
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{ |
| 303 |
|
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int i, j; |
| 304 |
|
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if (!((vk | sk) & 0x7F)) |
| 305 |
|
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return; |
| 306 |
|
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|
| 307 |
|
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for (i = 0; i < 7; i++) |
| 308 |
|
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{ |
| 309 |
|
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if (n == 7 && i < N_STRIDE) continue; |
| 310 |
|
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if (sk & (1 << i)) |
| 311 |
|
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{ |
| 312 |
|
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/* セット */ |
| 313 |
|
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int o = tr_pc1[n][6 - i] - 1; |
| 314 |
|
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if (o < 28) |
| 315 |
|
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{ |
| 316 |
|
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assert(o >= 0); |
| 317 |
|
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for (j = 0; j < N_ALU; j++) |
| 318 |
|
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key64->k[0][0][o].a[j] |
| 319 |
|
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= key64->k[0][1][o].a[j] |
| 320 |
|
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= -!!(k & (1 << i)); |
| 321 |
|
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} |
| 322 |
|
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else |
| 323 |
|
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{ |
| 324 |
|
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assert(o >= 28); |
| 325 |
|
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assert(o < 56); |
| 326 |
|
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for (j = 0; j < N_ALU; j++) |
| 327 |
|
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key64->k[1][0][o - 28].a[j] |
| 328 |
|
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= key64->k[1][1][o - 28].a[j] |
| 329 |
|
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= -!!(k & (1 << i)); |
| 330 |
|
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} |
| 331 |
|
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} |
| 332 |
|
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else if (vk & (1 << i)) |
| 333 |
|
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{ |
| 334 |
|
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/* 反転 */ |
| 335 |
|
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int o = tr_pc1[n][6 - i] - 1; |
| 336 |
|
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if (o < 28) |
| 337 |
|
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{ |
| 338 |
|
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assert(o >= 0); |
| 339 |
|
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for (j = 0; j < N_ALU; j++) |
| 340 |
|
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key64->k[0][0][o].a[j] |
| 341 |
|
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= key64->k[0][1][o].a[j] |
| 342 |
|
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= ~key64->k[0][0][o].a[j]; |
| 343 |
|
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} |
| 344 |
|
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else |
| 345 |
|
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{ |
| 346 |
|
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assert(o >= 28); |
| 347 |
|
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assert(o < 56); |
| 348 |
|
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for (j = 0; j < N_ALU; j++) |
| 349 |
|
|
key64->k[1][0][o - 28].a[j] |
| 350 |
|
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= key64->k[1][1][o - 28].a[j] |
| 351 |
|
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= ~key64->k[1][0][o - 28].a[j]; |
| 352 |
|
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} |
| 353 |
|
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} |
| 354 |
|
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} |
| 355 |
|
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} |
| 356 |
|
|
|
| 357 |
|
|
/* 指定されたクラスの開始値にリセット |
| 358 |
|
|
直前の文字のクラスに縛られる */ |
| 359 |
|
|
int |
| 360 |
|
|
key_reset(struct KS_KEY *key, int n) |
| 361 |
|
|
{ |
| 362 |
|
|
if (n >= 8) |
| 363 |
|
|
return 1; |
| 364 |
|
|
if (n == 7) |
| 365 |
|
|
{ |
| 366 |
|
|
key->key[7] = 0; |
| 367 |
|
|
return 1; |
| 368 |
|
|
} |
| 369 |
|
|
|
| 370 |
|
|
/* 0-2 文字目はランダムに決める |
| 371 |
|
|
3 文字目以降は初期値に */ |
| 372 |
|
|
if (n >= KEY_SHUFFLE_POS) |
| 373 |
|
|
key->key[n] = key_set(key, n, 0); |
| 374 |
|
|
else |
| 375 |
|
|
key->key[n] = key_set(key, n, rand()); |
| 376 |
|
|
|
| 377 |
notanpe |
263 |
#ifdef KEYLOG |
| 378 |
|
|
if ( keyLog && (n == 2) ) { |
| 379 |
|
|
FILE *fp; |
| 380 |
|
|
int i; |
| 381 |
|
|
struct timeb tb; |
| 382 |
|
|
struct tm *plt; |
| 383 |
|
|
|
| 384 |
|
|
ftime( &tb ); |
| 385 |
|
|
plt = localtime( &tb.time ); |
| 386 |
|
|
|
| 387 |
|
|
WaitForSingleObject( mutexKeylog, INFINITE ); |
| 388 |
|
|
|
| 389 |
|
|
if ( (fp = fopen( KEY_LOG_FILE, "at" )) == NULL ) { |
| 390 |
|
|
perror( KEY_LOG_FILE ); |
| 391 |
|
|
exit( 1 ); |
| 392 |
|
|
} |
| 393 |
|
|
fprintf( fp, "%02x%02x%02x", key->key[0], key->key[1], key->key[2] ); |
| 394 |
|
|
fprintf( fp, "\t%04d/%02d/%02d %02d:%02d:%02d.%03d\n", |
| 395 |
|
|
plt->tm_year + 1900, plt->tm_mon + 1, plt->tm_mday, |
| 396 |
|
|
plt->tm_hour, plt->tm_min, plt->tm_sec, tb.millitm ); |
| 397 |
|
|
fclose( fp ); |
| 398 |
|
|
|
| 399 |
|
|
ReleaseMutex( mutexKeylog ); |
| 400 |
|
|
} |
| 401 |
|
|
#endif /* KEYLOG */ |
| 402 |
|
|
|
| 403 |
notanpe |
252 |
#if DEBUG>=3 |
| 404 |
|
|
printf("key[%d]=%02X ncls=%04X\n", n, key[n], kcls[n].map[key[n]]); |
| 405 |
|
|
#endif |
| 406 |
|
|
|
| 407 |
|
|
/* セットされた文字を元に、次キャラの文字クラスを決める */ |
| 408 |
|
|
key_make_map(key, n); |
| 409 |
|
|
|
| 410 |
|
|
return key_reset(key, n + 1); |
| 411 |
|
|
} |
| 412 |
|
|
|
| 413 |
|
|
/* 指定された鍵空間の中で、キーをひとつ進める |
| 414 |
|
|
安全にインクリメントできた場合 true を返す */ |
| 415 |
|
|
int |
| 416 |
|
|
key_inc(struct KS_KEY *key, int n, int e) |
| 417 |
|
|
{ |
| 418 |
|
|
if (n >= 8) |
| 419 |
|
|
return 0; |
| 420 |
|
|
else if (n == 7) |
| 421 |
|
|
{ |
| 422 |
|
|
/* 最後のバイト */ |
| 423 |
|
|
uint8_t o_k = (key->key[7] + (1 << N_STRIDE)) & 0x7F; |
| 424 |
|
|
if (!o_k) |
| 425 |
|
|
return 0; /* インクリメントできなかったときは次へ進めず待つ */ |
| 426 |
|
|
|
| 427 |
|
|
/* 進める */ |
| 428 |
|
|
key->key[7] = o_k; |
| 429 |
|
|
return 1; |
| 430 |
|
|
} |
| 431 |
|
|
else if (n >= e - 1) |
| 432 |
|
|
{ |
| 433 |
|
|
/* do nothing */ |
| 434 |
|
|
} |
| 435 |
|
|
else if (key_inc(key, n + 1, e) |
| 436 |
|
|
/* |
| 437 |
|
|
&& key_inc(n + 1) |
| 438 |
|
|
&& key_inc(n + 1) |
| 439 |
|
|
&& key_inc(n + 1)*/ |
| 440 |
|
|
) |
| 441 |
|
|
return 1; |
| 442 |
|
|
|
| 443 |
|
|
/* Salt はインクリメントしない約束にする */ |
| 444 |
|
|
if (n == 1 || n == 2) |
| 445 |
|
|
return 1; |
| 446 |
|
|
|
| 447 |
|
|
#if DEBUG>=3 |
| 448 |
|
|
printf("key_inc(n=%d,ck=%02X)\n", n, key->key[n]); |
| 449 |
|
|
#endif |
| 450 |
|
|
|
| 451 |
|
|
#if USE_DT |
| 452 |
|
|
/* 辞書語はインクリメントしていい約束にする */ |
| 453 |
|
|
if (3 <= n && n < 7 && kd[n - 3]) |
| 454 |
|
|
{ |
| 455 |
|
|
if ((key->key[n - 3] & 0x7F) == ((kd[n - 3] + 1)->c[0] & 0x7F) |
| 456 |
|
|
&& (key->key[n - 2] & 0x7F) == ((kd[n - 3] + 1)->c[1] & 0x7F) |
| 457 |
|
|
&& (key->key[n - 1] & 0x7F) == ((kd[n - 3] + 1)->c[2] & 0x7F)) |
| 458 |
|
|
{ |
| 459 |
|
|
memcpy(&key->key[n - 3], &(++kd[n - 3])->c[0], 4); |
| 460 |
|
|
#if DEBUG>=2 |
| 461 |
|
|
printf(">dt_get:%c%c%c%c(%02X%02X:%02X%02X)\n", |
| 462 |
|
|
kd[n - 3]->c[0], kd[n - 3]->c[1], kd[n - 3]->c[2], kd[n - 3]->c[3], |
| 463 |
|
|
kd[n - 3]->c[0], kd[n - 3]->c[1], kd[n - 3]->c[2], kd[n - 3]->c[3]); |
| 464 |
|
|
#endif |
| 465 |
|
|
return 1; |
| 466 |
|
|
} |
| 467 |
|
|
else |
| 468 |
|
|
{ |
| 469 |
|
|
return 0; |
| 470 |
|
|
} |
| 471 |
|
|
} |
| 472 |
|
|
else if (2 <= n && n < 6 && kd[n - 2]) |
| 473 |
|
|
{ |
| 474 |
|
|
if ((key->key[n - 2] & 0x7F) == ((kd[n - 2] + 1)->c[0] & 0x7F) |
| 475 |
|
|
&& (key->key[n - 1] & 0x7F) == ((kd[n - 2] + 1)->c[1] & 0x7F)) |
| 476 |
|
|
{ |
| 477 |
|
|
memcpy(&key->key[n - 2], &(++kd[n - 2])->c[0], 4); |
| 478 |
|
|
#if DEBUG>=2 |
| 479 |
|
|
printf(">dt_get:%c%c%c%c(%02X%02X:%02X%02X)\n", |
| 480 |
|
|
kd[n - 2]->c[0], kd[n - 2]->c[1], kd[n - 2]->c[2], kd[n - 2]->c[3], |
| 481 |
|
|
kd[n - 2]->c[0], kd[n - 2]->c[1], kd[n - 2]->c[2], kd[n - 2]->c[3]); |
| 482 |
|
|
#endif |
| 483 |
|
|
return 1; |
| 484 |
|
|
} |
| 485 |
|
|
else |
| 486 |
|
|
{ |
| 487 |
|
|
return 0; |
| 488 |
|
|
} |
| 489 |
|
|
if (kd[n - 2]->c[0] == key->key[n - 2]) |
| 490 |
|
|
return 1; |
| 491 |
|
|
else |
| 492 |
|
|
return 0; |
| 493 |
|
|
} |
| 494 |
|
|
else if (1 <= n && n < 5 && kd[n - 1]) |
| 495 |
|
|
{ |
| 496 |
|
|
unsigned c2 = kd[n - 1]->c[0]; |
| 497 |
|
|
if ((0x81 <= c2 && c2 <= 0x9F) |
| 498 |
|
|
|| (0xE0 <= c2 && c2 <= 0xFC)) |
| 499 |
|
|
{ |
| 500 |
|
|
kd[n - 1] = NULL; |
| 501 |
|
|
#if 0 |
| 502 |
|
|
if (!(n == 1 && n == 2)) |
| 503 |
|
|
key->key[n] &= 0x7F; |
| 504 |
|
|
if (!(n == 2 && n == 3)) |
| 505 |
|
|
key->key[n - 1] &= 0x7F; |
| 506 |
|
|
#endif |
| 507 |
|
|
key_make_map(n - 1); |
| 508 |
|
|
} |
| 509 |
|
|
else if ((key->key[n - 1] & 0x7F) == ((kd[n - 1] + 1)->c[0] & 0x7F)) |
| 510 |
|
|
{ |
| 511 |
|
|
memcpy(&key->key[n - 1], &(++kd[n - 1])->c[0], 4); |
| 512 |
|
|
#if DEBUG>=2 |
| 513 |
|
|
printf(">dt_get:%c%c%c%c(%02X%02X:%02X%02X)\n", |
| 514 |
|
|
kd[n - 1]->c[0], kd[n - 1]->c[1], kd[n - 1]->c[2], kd[n - 1]->c[3], |
| 515 |
|
|
kd[n - 1]->c[0], kd[n - 1]->c[1], kd[n - 1]->c[2], kd[n - 1]->c[3]); |
| 516 |
|
|
#endif |
| 517 |
|
|
return 1; |
| 518 |
|
|
} |
| 519 |
|
|
else |
| 520 |
|
|
{ |
| 521 |
|
|
return 0; |
| 522 |
|
|
} |
| 523 |
|
|
#if 0 |
| 524 |
|
|
if (kd[n - 1]->c[0] == key->key[n - 1]) |
| 525 |
|
|
return 1; |
| 526 |
|
|
else |
| 527 |
|
|
return 0; |
| 528 |
|
|
#endif |
| 529 |
|
|
} |
| 530 |
|
|
else if (n < 4 && kd[n]) |
| 531 |
|
|
{ |
| 532 |
|
|
if (0 && kd[n]->c[0] == key->key[n]) |
| 533 |
|
|
return 1; |
| 534 |
|
|
kd[n] = NULL; |
| 535 |
|
|
#if 0 |
| 536 |
|
|
if (!(n == 1 || n == 2)) |
| 537 |
|
|
key->key[n] &= 0x7F; |
| 538 |
|
|
#endif |
| 539 |
|
|
} |
| 540 |
|
|
#endif |
| 541 |
|
|
|
| 542 |
|
|
/* 実際に増やしてみる */ |
| 543 |
|
|
assert(n >= 3); |
| 544 |
|
|
for (;;) |
| 545 |
|
|
{ |
| 546 |
|
|
#if USE_DT |
| 547 |
|
|
if (n <= 3 |
| 548 |
|
|
&& !(key->key[n] & 0x80) |
| 549 |
|
|
&& kcls[n].map[key->key[n] ^ 0x80] & (KCLS_DT0)) |
| 550 |
|
|
{ |
| 551 |
|
|
/* 半角カタカナの1バイト目 */ |
| 552 |
|
|
key->key[n] ^= 0x80; |
| 553 |
|
|
} |
| 554 |
|
|
else |
| 555 |
|
|
#endif |
| 556 |
|
|
{ |
| 557 |
|
|
key->key[n] = (key->key[n] & 0x7F) + 1; |
| 558 |
|
|
if (key->key[n] >= 0x80) |
| 559 |
|
|
{ |
| 560 |
|
|
key->key[n] = 0xFF; /* 次に突入させないため */ |
| 561 |
|
|
return 0; |
| 562 |
|
|
} |
| 563 |
|
|
} |
| 564 |
|
|
|
| 565 |
|
|
if (key->map[n][key->key[n]]) |
| 566 |
|
|
{ |
| 567 |
|
|
key_make_map(key, n); |
| 568 |
|
|
key_reset(key, n + 1); |
| 569 |
|
|
return 1; |
| 570 |
|
|
} |
| 571 |
|
|
} |
| 572 |
|
|
} |
| 573 |
|
|
|
| 574 |
|
|
/* 鍵を完全にリセットする |
| 575 |
|
|
Saltもセットし直す */ |
| 576 |
|
|
void |
| 577 |
|
|
key_init(struct KS_KEY *key) |
| 578 |
|
|
{ |
| 579 |
|
|
int i, j; |
| 580 |
|
|
|
| 581 |
|
|
#if USE_DT |
| 582 |
|
|
/* 辞書を、インデクスを作りながらマップにはめこんで逝く |
| 583 |
|
|
辞書はコード順昇順に並んでるものとする */ |
| 584 |
|
|
for (i = 0; i < dtcnt; i++) |
| 585 |
|
|
{ |
| 586 |
|
|
unsigned c = dt[i].c[0]; |
| 587 |
|
|
|
| 588 |
|
|
assert(dt[i].c[0] |
| 589 |
|
|
&& dt[i].c[1] |
| 590 |
|
|
&& dt[i].c[2] |
| 591 |
|
|
&& dt[i].c[3]); |
| 592 |
|
|
|
| 593 |
|
|
/* BSD 鯖でしにそうな文字は残念ながら除外 */ |
| 594 |
|
|
assert((dt[i].c[0] & 0x7F) |
| 595 |
|
|
&& (dt[i].c[1] & 0x7F) |
| 596 |
|
|
&& (dt[i].c[2] & 0x7F) |
| 597 |
|
|
&& (dt[i].c[3] & 0x7F)); |
| 598 |
|
|
|
| 599 |
|
|
/* インデクス */ |
| 600 |
|
|
if (!dtidx[c]) |
| 601 |
|
|
dtidx[c] = &dt[i]; |
| 602 |
|
|
|
| 603 |
|
|
if ((0x81 <= c && c <= 0x9F) |
| 604 |
|
|
|| (0xE0 <= c && c <= 0xFC)) |
| 605 |
|
|
{ |
| 606 |
|
|
/* 全角なので、2バイトきまった時点で立てる */ |
| 607 |
|
|
cp932[256 * c + dt[i].c[1]] |= KCLS_DT1; |
| 608 |
|
|
} |
| 609 |
|
|
else if (0xA1 <= c && c <= 0xDF) |
| 610 |
|
|
{ |
| 611 |
|
|
/* 半角カナ */ |
| 612 |
|
|
for (j = 0; j < 256; j++) |
| 613 |
|
|
cp932[256 * c + j] |= KCLS_DT0; |
| 614 |
|
|
} |
| 615 |
|
|
} |
| 616 |
|
|
/* ケツ、ちうか番人 */ |
| 617 |
|
|
dtidx[0x100] = &dt[i]; |
| 618 |
|
|
#endif |
| 619 |
|
|
|
| 620 |
|
|
key->key[8] = 0; |
| 621 |
|
|
|
| 622 |
|
|
/* 初期マップを組む */ |
| 623 |
|
|
for (i = 0; i < 256; i++) |
| 624 |
|
|
{ |
| 625 |
|
|
unsigned bm = 0; |
| 626 |
|
|
key->map[0][i] = 0; |
| 627 |
|
|
for (j = 0; j < 256; j++) |
| 628 |
|
|
bm |= cp932[256 * i + j]; |
| 629 |
|
|
key->map[0][i] = bm & (KCLS_AN | KCLS_KA | KCLS_K1 |
| 630 |
|
|
| KCLS_DT0 |
| 631 |
|
|
); |
| 632 |
|
|
if (i >= 128) |
| 633 |
|
|
key->map[0][i - 128] |= key->map[0][i]; |
| 634 |
|
|
} |
| 635 |
|
|
|
| 636 |
|
|
key_reset(key, 0); |
| 637 |
|
|
} |
| 638 |
|
|
|
| 639 |
|
|
/*************************************************************** |
| 640 |
|
|
* |
| 641 |
|
|
* 固定キーの生成 |
| 642 |
|
|
* |
| 643 |
|
|
* 一見 Big Endian に非対応のように見えるだろうが |
| 644 |
|
|
* 随所でに散らばっている kludge により |
| 645 |
|
|
* ALU_T が 64 ビットである限り、これで問題なく動く。 |
| 646 |
|
|
* |
| 647 |
|
|
*/ |
| 648 |
|
|
|
| 649 |
|
|
void |
| 650 |
|
|
key_init_sk(struct KEY *key) |
| 651 |
|
|
{ |
| 652 |
|
|
int i, j; |
| 653 |
|
|
int o; |
| 654 |
|
|
uint64_t m; |
| 655 |
|
|
|
| 656 |
|
|
for (i = 5, m = 0xFFFFFFFF00000000ULL; |
| 657 |
|
|
i >= 0; |
| 658 |
|
|
m ^= (m >> (1 << --i))) |
| 659 |
|
|
{ |
| 660 |
|
|
o = tr_pc1[7][6 - i] - 1; |
| 661 |
|
|
#if DEBUG>=2 |
| 662 |
|
|
printf("%d:%d->%2d: %08X%08X\n", |
| 663 |
|
|
N_Q, i, o, |
| 664 |
|
|
(unsigned)(m >> 32), |
| 665 |
|
|
(unsigned)m); |
| 666 |
|
|
#endif |
| 667 |
|
|
for (j = 0; j < N_Q; j++) |
| 668 |
|
|
if (o < 28) |
| 669 |
|
|
key->k[0][0][o ].q[j] = key->k[0][1][o ].q[j] = m; |
| 670 |
|
|
else |
| 671 |
|
|
key->k[1][0][o - 28].q[j] = key->k[1][1][o - 28].q[j] = m; |
| 672 |
|
|
} |
| 673 |
|
|
#if N_STRIDE==7 |
| 674 |
|
|
/* bit 6 は Little Endian として扱う */ |
| 675 |
|
|
o = 0; |
| 676 |
|
|
assert(tr_pc1[7][0] - 1 == o); |
| 677 |
|
|
assert(N_Q == 2); |
| 678 |
|
|
key->k[0][0][o].q[0] = key->k[0][1][o].q[0] = 0x0000000000000000ULL; |
| 679 |
|
|
key->k[0][0][o].q[1] = key->k[0][1][o].q[1] = 0xFFFFFFFFFFFFFFFFULL; |
| 680 |
|
|
#endif |
| 681 |
|
|
} |
| 682 |
|
|
|
| 683 |
|
|
/*************************************************************** |
| 684 |
|
|
* |
| 685 |
|
|
* Salt のセット |
| 686 |
|
|
* オペランドのオフセットを書き換えて回ってるので注意 |
| 687 |
|
|
* |
| 688 |
|
|
*/ |
| 689 |
|
|
|
| 690 |
|
|
void |
| 691 |
|
|
set_salt(CODE_T *code, |
| 692 |
|
|
struct CRYPT64_DESC const *desc, |
| 693 |
|
|
uint8_t const *k) |
| 694 |
|
|
{ |
| 695 |
|
|
int i, j; |
| 696 |
|
|
|
| 697 |
|
|
for (i = 0; i < 2; i++) |
| 698 |
|
|
{ |
| 699 |
|
|
unsigned s = k[1 + i] & 255; |
| 700 |
|
|
if (s > 'z') |
| 701 |
|
|
s = 0; |
| 702 |
|
|
else if (s >= 'a') |
| 703 |
|
|
s = s - 'a' + 2 + 10 + 26; |
| 704 |
|
|
else if (s >= 'A') |
| 705 |
|
|
s = s - 'A' + 2 + 10; |
| 706 |
|
|
else if (s >= '.') |
| 707 |
|
|
s = s - '.'; |
| 708 |
|
|
else |
| 709 |
|
|
s = 0; |
| 710 |
|
|
|
| 711 |
notanpe |
263 |
OLDPRINT( "Salt %d:%02x\n", i, s & 63 ); |
| 712 |
|
|
|
| 713 |
notanpe |
252 |
#if DEBUG>=1 |
| 714 |
|
|
printf("Salt %d:%3o\n", i, s & 63); |
| 715 |
|
|
#endif |
| 716 |
|
|
for (j = 0; j < 6; j++) |
| 717 |
|
|
{ |
| 718 |
|
|
#if DEBUG>=2 |
| 719 |
|
|
//printf("Salt %d:%d %+3d:%+3d", |
| 720 |
|
|
printf("Salt %d:%d %08lX:%08lX", |
| 721 |
|
|
i, j, |
| 722 |
|
|
LSALT(desc, code, 0, i, j, 0), |
| 723 |
|
|
LSALT(desc, code, 0, i, j, 24)); |
| 724 |
|
|
#endif |
| 725 |
|
|
if (s & (1 << j)) |
| 726 |
|
|
{ |
| 727 |
|
|
LSALT(desc, code, 0, i, j, 0) = sizeof(WS_T) * (((4 * i + j + 15) & 31) - 16); |
| 728 |
|
|
LSALT(desc, code, 0, i, j, 24) = sizeof(WS_T) * (((4 * i + j - 1) & 31) - 16); |
| 729 |
|
|
} |
| 730 |
|
|
else |
| 731 |
|
|
{ |
| 732 |
|
|
LSALT(desc, code, 0, i, j, 0) = sizeof(WS_T) * (((4 * i + j - 1) & 31) - 16); |
| 733 |
|
|
LSALT(desc, code, 0, i, j, 24) = sizeof(WS_T) * (((4 * i + j + 15) & 31) - 16); |
| 734 |
|
|
} |
| 735 |
|
|
LSALT(desc, code, 0, i, j, 12) = sizeof(WS_T) * (((4 * i + j + 7) & 31) - 16); |
| 736 |
|
|
LSALT(desc, code, 0, i, j, 36) = sizeof(WS_T) * (((4 * i + j + 23) & 31) - 16); |
| 737 |
|
|
#if DEBUG>=2 |
| 738 |
|
|
//printf(" => %+3d:%+3d\n", |
| 739 |
|
|
printf(" => %08lX:%08lX\n", |
| 740 |
|
|
LSALT(desc, code, 0, i, j, 0), |
| 741 |
|
|
LSALT(desc, code, 0, i, j, 24)); |
| 742 |
|
|
#endif |
| 743 |
|
|
} |
| 744 |
|
|
} |
| 745 |
|
|
} |
| 746 |
|
|
|
| 747 |
notanpe |
263 |
#ifdef KEYLOG |
| 748 |
|
|
void |
| 749 |
|
|
initMutexKeylog() |
| 750 |
|
|
{ |
| 751 |
|
|
mutexKeylog = CreateMutex(NULL, FALSE, NULL); |
| 752 |
|
|
} |
| 753 |
|
|
#endif /* KEYLOG */ |
| 754 |
|
|
|
| 755 |
notanpe |
252 |
/* |
| 756 |
|
|
* Local Variables: |
| 757 |
|
|
* tab-width: 4 |
| 758 |
|
|
* End: |
| 759 |
|
|
* |
| 760 |
|
|
* EOF */ |